Compilare: main.cpp: In member function 'std::vector<int> Graph::bfs(int)': main.cpp:120:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 120 | for (int i = 0; i < neighbors[aux.front()].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graph::dfs(int, std::vector<bool>&)': main.cpp:157:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 157 | for (int i = 0; i < neighbors[x].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graph::biconnected_dfs(int, int&, std::vector<int>&, std::vector<int>&, std::stack<int>&, std::vector<std::vector<int> >&, std::vector<int>&)': main.cpp:204:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 204 | for (int i = 0; i < neighbors[x].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graph::stronglyconnected_dfs(int, int&, std::vector<int>&, std::vector<int>&, std::stack<int>&, std::vector<std::vector<int> >&, std::vector<bool>&)': main.cpp:267:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 267 | for (int i = 0; i < neighbors[x].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'void Graph::topological_dfs(int, std::vector<bool>&, std::stack<int>&)': main.cpp:322:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 322 | for (int i = 0; i < neighbors[x].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'bool Graph::havel_hakimi(std::vector<int>&)': main.cpp:338:24: warning: comparison of integer expressions of different signedness: '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'} and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 338 | if (degrees[0] > degrees.size() - 1) //gradul unui nod este mai mare decat nr de noduri disponibile main.cpp: In member function 'void Graph::cconnections_dfs(int, int&, std::vector<int>&, std::vector<int>&, std::vector<int>&, std::vector<std::vector<int> >&)': main.cpp:381:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 381 | for (int i = 0; i < neighbors[x].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'std::vector<int> Graph::apm(int&)': main.cpp:448:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 448 | for (int i = 0; i < neighbors[current_node].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In member function 'std::vector<int> Graph::dijkstra()': main.cpp:487:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 487 | for (int i = 0; i < neighbors[current_node].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:498:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 498 | for (int i = 0; i < distances.size(); i++) | ~~^~~~~~~~~~~~~~~~~~ main.cpp: In member function 'std::vector<int> Graph::bellman_ford()': main.cpp:530:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 530 | for (int i = 0; i < neighbors[current_node].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:650:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<bool>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 650 | for (int i = 0; i < answers.size(); i++) | ~~^~~~~~~~~~~~~~~~